Rockwell Automation 140G-NTK-E12 LSIG and LSIG-MM Release - Manual (Page 25)

DIR 1000587R0002 (L3821)
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Each time the unit is turned on, or after more than 2 minutes of inactivity on the keyboard, the display indicates the following (default) page:
3.4.2 Protections menu
From the interface you can press ENTER to access the menu of the different protections available on the display
Using the “arrow UP” and “arrow DOWN” you can view the various protections.
On the whole, all data that can be displayed concern protections:
L, S, I, G, U, OT, LOAD PROTECTION, MM.
Example of surfing the Protections Menu
From the Protection main page, press ENTER to go to Protection L Menu.
Use “arrow UP” and “arrow DOWN” to select items on the menu and confirm by pressing ENTER. Pressing this key triggers a Password prompt,
then you can select the functions associated with protection L (as in the example)
Example of how to select the t=k/i 2 curve
3.4.2.1 Protections menu table
Protection
Parameter/Function
L Curve
Threshold I1
Time t1
Thermal memory ON / OFF
S Enable ON / OFF
Curve
Threshold I2
Time t2
Enter ↵ Enter ↵
Percentage of actual currents with respect
to the rated values (100%)
Current of the phase under the greatest load
Indication for the phase under the greatest
load (L1, L2, L3, N)
N
10:22:53
400 A
(I )
1
1/5
Protections settings
Measures
Settings
Protections
Menu 1/5
Protections settings
Measurements
Settings
Protections
Menu 1/15
Overload
S Protection
I Protection
L Protection
Protections
1/15
Overload
S Protection
I Protection
L Protection
Protections 1/4
Threshold I1
Time T1
Function
L Protection
t=k/i 2
Password
Enter password
0***
1/4
t=0.14b/(i -1) 0.02
T=13.5b/(i-1)
t=k/i 2
Function
Enter ↵
PSW + Enter ↵
Similarly, to access the menus for the other protections, see the Protections Menu table below.